行业组件数据 · 2026

履带轮

Road wheels are load-bearing components in crawler track systems that support vehicle weight and facilitate smooth track movement over terrain.

技术定义与适配语境
典型 履带轮 会按材料、尺寸公差、适配关系和失效风险在 机械和设备制造 中评估。

Road wheels are cylindrical rotating components mounted on the suspension system of tracked vehicles, positioned between the drive sprocket and idler wheel. They distribute vehicle weight across the crawler track, maintain proper track tension, and provide rolling contact that reduces friction between the track and suspension components. These wheels are critical for transferring vertical loads to the ground while allowing the track to move freely during operation.

组件规格

定义
Road wheels are cylindrical rotating components mounted on the suspension system of tracked vehicles, positioned between the drive sprocket and idler wheel. They distribute vehicle weight across the crawler track, maintain proper track tension, and provide rolling contact that reduces friction between the track and suspension components. These wheels are critical for transferring vertical loads to the ground while allowing the track to move freely during operation.
工作原理
Road wheels operate on the principle of rolling contact mechanics. As the crawler track moves over the wheels, they rotate on bearings or bushings, converting sliding friction into rolling friction. This reduces energy loss and wear while distributing compressive loads through their circular geometry. The wheels maintain continuous contact with the track's inner surface, supporting vehicle weight and guiding track alignment through their precise positioning along the suspension system.
材料
High-strength alloy steel (typically 4140 or 4340 grade)hardened to 45-55 HRC for wear resistance. Alternative materials include forged carbon steel with surface hardening treatments or specialized polymer composites for lightweight applications. Bearing surfaces often incorporate bronze bushings or sealed roller bearings.
Width
100-250 mm
Weight
50-200 kg
Diameter
300-800 mm
Mounting
Bolted flange or integrated axle
Bearing Type
Tapered roller or spherical roller bearings
Load Capacity
5-25 tons per wheel
Surface Hardness
45-55 HRC
标准
ISO 5687DIN 740ISO 286-2

行业分类与别名

履带轮 的常用贸易名称、技术标识和检索关键词。

上级产品

该组件会出现在以下整机或工业产品中。

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Inadequate sealing allowing abrasive particles into bearings->Bearing seizure leading to wheel lock-up->Install multi-labyrinth seals with grease purging systems
Excessive impact loads from uneven terrain->Radial cracking in wheel rim->Implement load-limiting suspension systems and operator training
Corrosion in saltwater or chemical environments->Reduced structural integrity and premature failure->Apply corrosion-resistant coatings and specify stainless steel components

工业生态与工程逻辑

0
Premature wear from abrasive contaminants
1
Bearing failure due to inadequate lubrication
2
Crack propagation from impact loads
3
Misalignment causing uneven track wear

合规与检测

tolerance
±0.1 mm on diameter, ±0.05 mm on concentricity, Ra 1.6 μm surface finish
test method
Ultrasonic testing for internal defects, dimensional verification with CMM, hardness testing per ISO 6508, dynamic load testing at 150% rated capacity

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来自 CNFX 组件能力表的相关制造商资料。

制造商列表用于前期研究和供应商能力理解,不代表认证、排名或交易担保。

采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

常见问题

What is the primary function of road wheels in crawler tracks?

Road wheels primarily support the vehicle's weight, distribute loads across the track, and reduce friction by providing rolling contact between the track and suspension system.

How often should road wheels be inspected?

Road wheels should be inspected every 250-500 operating hours for wear, bearing play, and seal integrity, with more frequent checks in abrasive environments.

Can road wheels be repaired or must they be replaced?

Minor surface damage can sometimes be repaired through machining and re-hardening, but severely worn or cracked wheels typically require complete replacement for safety.

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CNFX Industrial Component Index · 机械和设备制造

数据基础

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初步技术归类
本页用于结构化准备研究、RFQ 和供应商评估,不替代买方自己的供应商资质审查、标准核验和技术批准。

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URN:CNFX:ME:UNIT:ROAD_WHEELS